Water Quality in Manitowoc, WI (54228)
EPA violation data for public water systems serving ZIP code 54228.
No Health-Based Violations
None of the 17 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.
Better than 29% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,762
Population
17
Water Systems
1
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (17)
Manitowoc Waterworks
Mishicot Waterworks
Gibs On The Lake Supper Club
All resolvedCamp Tapawingo Lodge
Camp Tapawingo Wagner Shower Bldg
Percy Damrow
Percy Damrow
Good Times
Two Creeks Park
Richard Bakken
Oak Ridge Campground
Gibson Town Hall
Shrine Of Our Lady Of Champion
Larrabee Sp Club Harpts Lake
Lakeside Country Store
St John Lutheran Gibson
St John Lutheran Two Creeks
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jun 2025
How Does This Compare?
Manitowoc (54228) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.